package com.icss.th.common.util;

import javax.servlet.http.HttpServletRequest;

public class ServletUtil {

	/*
	 * 获取用户ip
	 */
	public static String getUserIp(HttpServletRequest request) {
		String ip = request.getHeader("x-forwarded-for");
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;

	}

	
	
}
